poison sumac

Toxicodendron vernix

Summary 2

Toxicodendron vernix, commonly known as poison sumac, is a woody shrub or small tree growing to 9 m (30 ft) tall. It was previously known as Rhus vernix. This plant is also known as thunderwood, particularly where it occurs in the southern United States. All parts of the plant contain a resin called urushiol that causes skin and mucous membrane irritation to humans. When the plant is burned, inhalation of the smoke may cause the rash to appear...

Sources and Credits

  1. (c) John Baur, some rights reserved (CC BY-NC), https://www.inaturalist.org/photos/43402799
  2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Toxicodendron_vernix

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